/Engine/Plugins/Experimental/PCG/Source/PCG/Public/PCGManagedResource.h
Releases/Mark Unsued the resource depending on the bHardRelease flag. Returns true if resource can be removed from the PCG component
virtual bool Release ( bool bHardRelease, [TSet](API\Runtime\Core\Containers\TSet)< [TSoftObjectPtr](API\Runtime\CoreUObject\UObject\TSoftObjectPtr)< [AActor](API\Runtime\Engine\GameFramework\AActor) >> & OutActorsToDelete )